/**
 * 
 * Copyright (C) 2011 Cody Stoutenburg . All rights reserved.
 *
 *       This program is free software; you can redistribute it and/or
 *       modify it under the terms of the GNU Lesser General Public License
 *       as published by the Free Software Foundation; either version 2.1
 *       of the License, or (at your option) any later version.
 *
 *       This program is distributed in the hope that it will be useful,
 *       but WITHOUT ANY WARRANTY; without even the implied warranty of
 *       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *       GNU Lesser General Public License for more details.
 *
 *       You should have received a copy of the GNU Lesser General Public License
 *       along with this program; if not, write to the Free Software
 *       Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. 
 * 
 */
package client;

import java.net.MalformedURLException;
import java.rmi.NotBoundException;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.util.HashSet;
import java.util.Set;

import javax.swing.JTextArea;

import registry.RmiRegistry;
import server.shared.ChatInterface;
import client.gui.PanelContactList;
import client.gui.tool.ExceptionTool;
import client.message.RemoteRandom;
import client.message.RemoteString;
import client.shared.MessageReceiver;

/**
 * @author Cody Stoutenburg
 * 
 */
public class ChatClient {
	private String address;
	private MessageReceiver displayChat;
	private ChatInterface chatServer;

	public ChatClient() {
	}

	private void refreshServer() {
		Remote remoteObject;
		try {
			String[] allNames = RmiRegistry.list(address);

			for (String name : allNames) {
				try {
					remoteObject = RmiRegistry.lookup(name);

					if (remoteObject instanceof ChatInterface) {
						// we find a chat server
						chatServer = (ChatInterface) remoteObject;
						if (chatServer.testServer()) {
							// break only if the server work else try again
							break;
						}
					}
				} catch (RemoteException e) {
					RmiRegistry.unbind(name); // the server is down
				}
			}
		} catch (MalformedURLException e) {
			ExceptionTool.showError(e);
		} catch (NotBoundException e) {
			ExceptionTool.showError(e);
		} catch (RemoteException e) {
			ExceptionTool.showError(e);
		}
	}

	public String getServerName() {
		String serverName = "not connected";
		if (chatServer != null) {
			try {
				serverName = chatServer.getServerName();
			} catch (RemoteException e) {
				ExceptionTool.showError(e);
			}
		}
		return serverName;
	}

	public void connect(String addressIp, String port, String name,
			JTextArea textArea, PanelContactList contactList) {
		this.address = "//" + addressIp + ":" + port;
		try {
			displayChat = new DisplayMessage(name, textArea, contactList);
			refreshServer();
			chatServer.join(displayChat);
		} catch (RemoteException e) {
			ExceptionTool.showError(e);
		}
	}

	public void disconnect() {
		if (chatServer != null) {
			try {
				this.chatServer.disconnect(displayChat);
			} catch (RemoteException e) {
				refreshServer();
				try {
					this.chatServer.disconnect(displayChat);
				} catch (RemoteException e1) {
					ExceptionTool.showError(e1);
				}
			}
		}
	}

	public void sendMessage(String destinataire, String message) {
		if (chatServer != null) {
			try {
				this.chatServer.sendMessage(displayChat.getName(),
						destinataire, new RemoteString(message));
			} catch (RemoteException e) {
				refreshServer();
				// resend the message
				try {
					this.chatServer.sendMessage(displayChat.getName(),
							destinataire, new RemoteString(message));
				} catch (RemoteException e1) {
					ExceptionTool.showError(e1);
				}
			}
		}
	}

	public void askRandom(String destinataire, Integer nbDice, Integer dice) {
		this.askRandom(destinataire, nbDice, dice, 0);
	}

	public void askRandom(String destinataire, Integer nbDice, Integer dice,
			Integer modif) {

		if (chatServer != null) {
			try {
				RemoteRandom random = new RemoteRandom(this.displayChat,
						nbDice, dice, modif);

				try {
					this.chatServer.sendMessage(displayChat.getName(),
							destinataire, random);
				} catch (RemoteException e) {
					refreshServer();
					// resend the message
					try {
						this.chatServer.sendMessage(displayChat.getName(),
								destinataire, random);
					} catch (RemoteException e1) {
						ExceptionTool.showError(e1);
					}
				}
			} catch (RemoteException e) {
				ExceptionTool.showError(e);
			}
		}
	}

	public Set<String> getAllConnectedPeople() {
		Set<String> allConnected = new HashSet<String>();
		if (chatServer != null) {
			try {
				allConnected = chatServer.getAllConnectedPeople();
			} catch (RemoteException e) {
				refreshServer();
				try {
					allConnected = chatServer.getAllConnectedPeople();
				} catch (RemoteException e1) {
					ExceptionTool.showError(e1);
				}
			}
		}
		return allConnected;
	}

	public String formatDestinataire(Set<String> allDestinataireNames) {
		String destinataire = "";
		if (chatServer != null) {
			try {
				destinataire = chatServer.formatReceivers(allDestinataireNames);
			} catch (RemoteException e) {
				refreshServer();
				// retry
				try {
					destinataire = chatServer
							.formatReceivers(allDestinataireNames);
				} catch (RemoteException e1) {
					ExceptionTool.showError(e1);
				}
			}
		}
		return destinataire;
	}

	public String getPseudo() {
		String pseudo = "";
		if (displayChat != null) {
			try {
				pseudo = displayChat.getName();
			} catch (RemoteException e) {
				ExceptionTool.showError(e);
			}
		}
		return pseudo;
	}
}
